let data2 = Mock.mock({
    "list|4": [
        {
            "id|+1": 1,
            "num|0-20": 1,
        }
    ]
})
let str2 = data2.list.map((item, index) => {
    return `
    <div>
        <span>☆</span>
        <span>↑ ${item.num}%</span>
    </div>
    `
}).join('');